Market insights · Michigan
Bay County, MI: growth, migration and housing
Bay County has 102,123 residents, down 1.6% since 2020 (-0.3% in the last year). In 2022–2023, 2,361 households moved in and 2,297 moved out (+64 net), bringing in a net $0.2M of income. Median household income is $61,763, the median home $152,200 and median rent $860 a month.
In Michigan: 78th of 83 counties for 5-year population growth · 44th of 83 counties for net in-migration (per resident) · 51st of 83 counties for median household income · 68th of 83 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Bay County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Saginaw County, MI | 502 | $26.8M |
| Midland County, MI | 336 | $17.9M |
| Arenac County, MI | 95 | $4.0M |
| Tuscola County, MI | 94 | $3.7M |
| Genesee County, MI | 84 | $3.6M |
| Oakland County, MI | 64 | $4.3M |
| Huron County, MI | 57 | $3.1M |
| Gladwin County, MI | 46 | $2.2M |
Where leavers went
Top counties by households leaving Bay County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Saginaw County, MI | 480 | $21.5M |
| Midland County, MI | 311 | $18.1M |
| Oakland County, MI | 102 | $5.1M |
| Genesee County, MI | 97 | $4.7M |
| Arenac County, MI | 87 | $4.0M |
| Tuscola County, MI | 79 | $3.7M |
| Kent County, MI | 60 | $2.8M |
| Gladwin County, MI | 52 | $3.5M |
BizyFi in Bay County
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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.